Brush



FIG. 1 is a perspective view of a brush, showing my new design;

FIG. 2 is a front elevational view thereof, shown with the bristlesomitted for ease of illustration;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a bottom plan view thereof.

The ornamental design for a brush, as shown and described.